How To Fix WE231 - EAN & does not exist as an additional EAN

SAP Error Message - Details

• Message type: E = Error

• Message class: WE - Messages for EAN Customizing and for EAN management in MM_BD

• Message number: 231

• Message text: EAN & does not exist as an additional EAN

What causes this issue?

The additional EAN (International Article Number) you want to delete or
change is not assigned to the specified material in the specified unit
of measure as an additional EAN.

System Response

The system cannot find the EAN and therefore cannot carry out the
change.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WE231 - EAN & does not exist as an additional EAN ?

  Certainly! Here's a detailed explanation regarding the SAP error message WE231: "EAN & does not exist as an additional EAN":
  
  Error Message
  WE231: EAN & does not exist as an additional EAN
  
  Message Class: WE2
  Message Number: 231
  
  
  Cause
  This error occurs during the processing of IDoc messages (typically related to material master or delivery processing) when the system tries to validate an EAN (European Article Number, also known as GTIN) that is expected to be present as an additional EAN for a material, but it is not found in the material master data.
  In other words, the EAN number received in the IDoc or input document is not maintained in the material master as an additional EAN (alternative barcode). The system expects this EAN to be linked to the material but cannot find it.
  
  When does it occur?
  
  During inbound IDoc processing (e.g., MATMAS, DELVRY, or other logistics-related IDocs).
  When the EAN number is used in the document but